We have this for those who claim salvation is not being discussed in Romans 11 --
11 I say then, they did not stumble so as to fall, did they? May it never be! But by their transgression salvation has come to the Gentiles, to make them jealous. 12 Now if their transgression is riches for the world and their failure is riches for the Gentiles, how much more will their fulfillment be! 13 But I am speaking to you who are Gentiles. Inasmuch then as I am an apostle of Gentiles, I magnify my ministry, 14 if somehow I might move to jealousy my fellow countrymen and save some of them.
And we also have this --
Romans 11
13 But I am speaking to you who are Gentiles. ...
20 Quite right, they were broken off for their unbelief, but you stand by your faith. Do not be conceited, but fear; 21 for if God did not spare the natural branches, He will not spare you, either. 22 Behold then the kindness and severity of God; to those who fell, severity, but to you, God’s kindness, if you continue in His kindness; otherwise you also will be cut off. 23 And they also, if they do not continue in their unbelief, will be grafted in, for God is able to graft them in again